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12.20g Eucrite Slice Monomict Basaltic Breccia - TOP METEORITE For Sale
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12.20g Eucrite Slice Monomict Basaltic Breccia - TOP METEORITE:
$275.00
On Offer:12.20gramEucrite Slice (Monomict Basaltic Breccia) I NWA12929
Dimensions: 42mm x 40 mm x 3 mm
Type:Eucrite,Monomict Basaltic Breccia, equilibrated.
Origin:Northwest Africa
Official name:NWA12929
Description:12.20gram polished on one side, slice of equilibrated eucrite monomict basaltic breccia,NWA 12929.
What you get:12.20gram NWA12929 Eucrite meteorite specimen as shown & signed Certificate of Authenticity.
I offer a 100% no questions asked 30 day return policy.
SEE OFFICIAL METEORITICAL SOCIETY ENTRY BELOW
Northwest Africa 12929Basic informationName:Northwest Africa 12929
This is an OFFICIAL meteorite name.
Abbreviation:NWA 12929
Observed fall:No
Year found:2016
Country:(Northwest Africa)
Mass:23.7 Bulletin:MB is 1 of 272 approved meteorites classified as Eucrite-mmict.[show all]
Search for other:Achondrites,Eucrites, andHED achondrites
Comments:Approved 21 Nov 2019WriteupWriteup fromMB 108:
Northwest Africa 12929(NWA 12929) (Northwest Africa) Purchased: 2016 Classification: HED achondrite (Eucrite, monomict) History: Purchased Dec. 2018 by Dustin Dickens in Morocco from anonymous dealer. Physical characteristics: Many identically appearing pieces, desert weathered exterior, broken surface reveals a dark, fine grained interior. Petrography: (C. Agee,UNM) Microprobe examination of a polished mount shows mild brecciation with approximately 60% pyroxene and 35% plagioclase. Many pyroxenes have exsolution lamellae. Minor silica and troilite observed. Shock melt veins are present. Geochemistry: (C. Agee,UNM) Low-Ca pyroxene Fs61.6±1.8Wo3.3±2.4, Fe/Mn=32±0, n=9; high-Ca pyroxene Fs36.7±9.5Wo33.4±10.9, Fe/Mn=31±0, n=4; plagioclase An89.4±3.1, n=7. Classification: Monomict basaltic eucrite, equilibrated. Data from:
MB108
Table 0
Line 0:Place of purchase:MauritaniaDate:P 2016Mass stage:highWeathering grade:moderateFerrosilite (mol%):61.6±1.8, 36.7±9.5Wollastonite (mol%):3.3±2.4, 33.4±10.9Classifier:C. Agee, UNMType spec mass (g):23.8Type spec location:UNMMain mass:Dustin DickensComments:Field name DD-54; submitted by C. Agee, UNMInstitutions
and collectionsUNM: Institute of Meteoritics MSC03 2050 University of New Mexico Albuquerque NM 87131-1126 USA, United States;Website(institutional address; updated 12 Feb 2015)
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12.20g Eucrite Slice Monomict Basaltic Breccia - TOP METEORITE $275.00
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